JS显示多个国家时区当前时间代码

一款简单的JS实现显示多个国家时区当前时间代码，实时显示世界各地各国的当前时间。

js代码

<script type="text/javascript">
function startTime() {
	document.getElementById('beijing').innerHTML = calcTime(+8)
	document.getElementById('mengmai').innerHTML = calcTime(+5.5)
	document.getElementById('niuyue').innerHTML = calcTime(-5)
	document.getElementById('dongjing').innerHTML = calcTime(+9)
	document.getElementById('bali').innerHTML = calcTime(+2)
	document.getElementById('xini').innerHTML = calcTime(+10)
	t = setTimeout('startTime()', 1000)
}

function checkTime(i) {
	if (i < 10) { i = "0" + i }
	return i
}

function calcTime(offset) {
	var d = new Date();
	var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
	var nd = new Date(utc + (3600000 * offset));
	var h = nd.getHours()
	var m = nd.getMinutes()
	var s = nd.getSeconds()
	h = checkTime(h)
	m = checkTime(m)
	s = checkTime(s)
	return h + ":" + m + ":" + s
}
</script>

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